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Organisms and Populations

Book Chosen

Biology

Subject Chosen

Biology

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CBSE Gujarat Board Haryana Board

Previous Year Papers

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Class 10 Class 12

Asymptote in a logistic growth curve is obtained when

  • The value of 'r' approaches zero

  • K = N

  • K > N

  • K < N


B.

K = N

A population growing in a habitat with limited resources shows logistic growth curve

A population growing in a habitat with limited resources shows logistic growth curve

3140 Views . 4 Shares

To live in groups is beneficial because :
  • feeling of security
  • can obtain food easily
  • Partner is available for mating
  • All the above

D.

All the above
878 Views . 7 Shares

The number of births during a given period in the
population that are added to the initial density is 

 :
  • Natality
  • Mortality
  • Migration
  • Immigration

A.

Natality
587 Views . 5 Shares

The departure of a individual from a population is called :
  • Natality 
  • Mortality
  • Immigration 
  • Emigration

D.

Emigration
574 Views . 10 Shares

Population density is denoted by the symbol
  • N
  • D
  • M
  • D

A.

N
738 Views . 10 Shares

Ants give information to their companions :
  • by dancing
  • by secretion of pheromones
  • by making sound
  • by defecating

B.

by secretion of pheromones
697 Views . 5 Shares

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